Package io.debezium.testing.testcontainers.util

Class DockerUtils

java.lang.Object

io.debezium.testing.testcontainers.util.DockerUtils

public class DockerUtils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final String	CONTAINER_VM_FAKE_DNS
static final String	CONTAINER_VM_LOG_SKIP

Constructor Summary

Constructors

Modifier	Constructor	Description
private	DockerUtils()

Method Summary

Modifier and Type	Method	Description
static void	addFakeDnsEntry(String hostname)	If FakeDns is enabled, maps given hostname to InetAddress.getLoopbackAddress()
static void	addFakeDnsEntry(String hostname, InetAddress address)	If FakeDns is enabled, maps given hostname to given address
static void	disableFakeDns()	Disables FakeDns if enabled
static void	enableFakeDnsIfRequired()	Enables FakeDns on docker desktop (if
static boolean	isContainerVM()	Checks if system is configured to deploy fake DNS.
static boolean	isMac()	Check if running OS is Mac.
static void	logContainerVMBanner(org.slf4j.Logger logger, Collection<String> hosts, boolean skip)	If required logs warning banner about required /etc/hosts entries The operation is not required and skipped if: Containers are not running under Docker Desktop Skip parameter is true CONTAINER_VM_LOG_SKIP property is true FakeDns is installed within JVM
static void	removeFakeDnsEntry(String hostname)	If FakeDns is enabled, remove mapping of given hostname to InetAddress.getLoopbackAddress()
static void	removeFakeDnsEntry(String hostname, InetAddress address)	If FakeDns is enabled, remove given mapping

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

CONTAINER_VM_LOG_SKIP

public static final String CONTAINER_VM_LOG_SKIP

See Also:

• Constant Field Values

CONTAINER_VM_FAKE_DNS

public static final String CONTAINER_VM_FAKE_DNS

See Also:

• Constant Field Values

Constructor Details

DockerUtils

private DockerUtils()

Method Details

isContainerVM

public static boolean isContainerVM()

Checks if system is configured to deploy fake DNS.

isMac

public static boolean isMac()

Check if running OS is Mac.

logContainerVMBanner

public static void logContainerVMBanner(org.slf4j.Logger logger,
 Collection<String> hosts,
 boolean skip)

If required logs warning banner about required /etc/hosts entries
The operation is not required and skipped if:

• Containers are not running under Docker Desktop
• Skip parameter is true
• CONTAINER_VM_LOG_SKIP property is true
• FakeDns is installed within JVM

Parameters:

logger - logger used to print the banner

hosts - list of container hostnames

skip - if true the operation is skipped

enableFakeDnsIfRequired

public static void enableFakeDnsIfRequired()

Enables FakeDns on docker desktop (if

disableFakeDns

public static void disableFakeDns()

Disables FakeDns if enabled

addFakeDnsEntry

public static void addFakeDnsEntry(String hostname)

If FakeDns is enabled, maps given hostname to InetAddress.getLoopbackAddress()

Parameters:

hostname - mapped hostname

addFakeDnsEntry

public static void addFakeDnsEntry(String hostname,
 InetAddress address)

If FakeDns is enabled, maps given hostname to given address

Parameters:

hostname - mapped hostname

address - resolution address

removeFakeDnsEntry

public static void removeFakeDnsEntry(String hostname)

If FakeDns is enabled, remove mapping of given hostname to InetAddress.getLoopbackAddress()

Parameters:

hostname - mapped hostname

removeFakeDnsEntry

public static void removeFakeDnsEntry(String hostname,
 InetAddress address)

If FakeDns is enabled, remove given mapping

Parameters:

hostname - mapped hostname

address - resolution address